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Hassan
1.Initial setting of cement is caused due to
A. Tri-calcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tri-calcium silicate
2.The foliated structure is very common in
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. sedimentary rocks
3.Turpentine oil is used in paints as
A. thinner
B. vehicle
C. base
D. thinner
4.The hardest rock is
A. marble
B. diamond
C. talc
D. marble
5.The silica is used for preparing
A. silica bricks
B. coke oven
C. lining for glass furnaces
D. silica bricks
6.Wrought iron is manufactured from pig iron by
A. refining
B. puddling
C. shingling
D. refining
7.Pick up the correct statement from the following:
A. The phenol is carbolic acid
B. The phenol is either extracted from coal-tar or prepared from benzene
C. Phenol reacts with formaldehyde, to form phenol formaldehyde resin
D. The phenol is carbolic acid
8.Fibre boards can be
A. distempered
B. painted
C. painted and distempered
D. distempered
9.Pick up the correct statement from the following:
A. Catalysts are added to assist and accelerate the hardening of resin,
B. The fillers are inert materials and they impart strength and hardness
C. Fibrous fillers increase thermal resistance
D. Catalysts are added to assist and accelerate the hardening of resin,
10.Portland pozzolana cement possesses
A. higher resistance to chemical attack
B. lower heat of hydration
C. lower shrinkage on drying
D. higher resistance to chemical attack
11.Iron ore may contain
A. carbon
B. silicon
C. sulphur
D. carbon
12.Wrought iron is used for
A. structural works in beams
B. small sized water pipes
C. columns and struts
D. structural works in beams
13.The timber having maximum resistance against white ants, is obtained from
A. chir
B. shisham
C. sal
D. chir
14.Knots in timber are
A. defects caused by crushing fibres
B. splits radiating from the centre
C. speckled strains
D. defects caused by crushing fibres
15.Pick up the correct statement from the following:
A. Solder material is an alloy which melts at a temperature above 400°C
B. Brazing is done at temperature above 600°C to 1100°C
C. Brazing joint is stronger than the solder joint
D. Solder material is an alloy which melts at a temperature above 400°C
16.Lime concrete is generally used for
A. wall foundations
B. flooring at ground level
C. both (a) and (b)
D. wall foundations
17.Bituminous fells are used for
A. covering A.C. sheets
B. covering sloping roofs
C. D.P.C.
D. covering A.C. sheets
18.The minimum compressive strength of Ilnd class bricks should be
A. 75 kg/cm2
B. 90 kg/cm2
C. 100 kg/cm2
D. 75 kg/cm2
19.Stuco paints are suitable for
A. stone masonry
B. brick walls
C. both (a) and (b)
D. stone masonry
20.Pick up the correct statement from the following:
A. Corrugated sheet iron is made by passing plain sheets between grooved rollers
B. Strength and stiffness of corrugated sheets are considerably increased
C. Corrugated sheets are generally gal-venised to protect iron from corrosion by rust
D. Corrugated sheet iron is made by passing plain sheets between grooved rollers
21.Quick setting cement is produced by adding
A. less amount of gypsum in very fine powdered form
B. more amount of gypsum in very fine powdered form
C. aluminium sulphate in very fine powdered form
D. less amount of gypsum in very fine powdered form
22.Duco is one of the patent forms of
A. emulsion paints
B. plastic paints
C. bituminous paints
D. emulsion paints
23.Pick up the correct statement from the following:
A. The substance which consists of one primary chemical, is known as monomer
B. The polymer consists of thousands of monomers joined together
C. The polymer molecule is called macro-molecule
D. The substance which consists of one primary chemical, is known as monomer
24.Bulking of sand is caused due to
A. surface moisture
B. air voids
C. viscosity
D. surface moisture
25.The normal curing period for lime mortar, is:
A. one day
B. 3 days
C. 7 days
D. one day
26.The type of steel used for precision levelling staff, is
A. Titanium steel
B. Carbon steel
C. Invar
D. Titanium steel
27.During pudding
A. molten metal is kept clear of the fuel
B. carbon is converted into carbonic acid gas
C. silicon forms a slag
D. molten metal is kept clear of the fuel
28.German silver is an alloy of
A. zinc, lead and nickel
B. silver, gold and lead
C. copper, nickel and zinc
D. zinc, lead and nickel
29.Pick up the incorrect statement from the following:
A. Plastics are chemical resistant
B. Plastics are durable
C. Plastics are ductile
D. Plastics are chemical resistant
30.Pick up correct statement from the following:
A. Fibre boards are used for thermal and acoustic control
B. Fibre boards are used for light weight standing members
C. Fibre boards are obtained by impregnating a resin product on fibres
D. Fibre boards are used for thermal and acoustic control
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